Where in the plot does the sequence of events flashback to an earlier time

What is one way that the author makes a distinction between the first transcontinental railroad and the first transcontinental passenger flights in 1936

Who calls tyler into his office to fire him his job

7. a line of symmetry divides a design so that every point on one side of the line coincides a point on the other side of it determine how many lines of symmetry each figure below has then draw all the lines of symmetry. show your work